4551242315 has 4 divisors (see below), whose sum is σ = 5461490784. Its totient is φ = 3640993848.

The previous prime is 4551242309. The next prime is 4551242347. The reversal of 4551242315 is 5132421554.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 4551242315 - 2⁴ = 4551242299 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 455124227 + ... + 455124236.

It is an arithmetic number, because the mean of its divisors is an integer number (1365372696).

Almost surely, 2^4551242315 is an apocalyptic number.

4551242315 is a deficient number, since it is larger than the sum of its proper divisors (910248469).

4551242315 is an equidigital number, since it uses as much as digits as its factorization.

4551242315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 910248468.

The product of its digits is 24000, while the sum is 32.

The square root of 4551242315 is about 67462.8958391203. The cubic root of 4551242315 is about 1657.2065947276.

Adding to 4551242315 its reverse (5132421554), we get a palindrome (9683663869).

The spelling of 4551242315 in words is "four billion, five hundred fifty-one million, two hundred forty-two thousand, three hundred fifteen".